Nectomys squamipes microsatellites and homologous loci in sigmodontine rodents

LUANA S. MAROJA; FRANCISCA CUNHA ALMEIDA; HÉCTOR N. SEUÁNEZ; RUI CERQUEIRA; MIGUEL A. M. MOREIRA

JOURNAL OF HEREDITY

OXFORD UNIV PRESS INC

Año: 2003 vol. 94 p. 175 - 179

0022-1503

Three monomorphic and four highly polymorphic micro- satellites of Nectomys squamipes were isolated and characterised in a sample of 141 specimens from eight different Brazilian localities. These seven microsatellites and four others previously described in this species were tested in seven other nonfocus sigmodontine species. At least three loci were successfully amplied in every species, but none was amplied in all species. All sequenced products in nonfocus species showed (GT)n motifs as in N. squamipes. Several loci were amplied in Nectomys rattus and Oligoryzomys nigripes, while absence of PCR products was observed more frequently in Oxymycterus dasythricus and Akodon cursor. Two of three monomorphic loci in N. squamipes were polymorphic in other species.